Microsoft Office up to Xp code injection

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office up to Xp. It has been declared as critical. Affected by this issue is some unknown functionality. Executing a manipulation can lead to code injection. The identification of this vulnerability is CVE-2009-0557. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Microsoft Office up to Xp (Office Suite Software). It has been declared as very critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Object Record Corruption Vulnerability."

The bug was discovered 06/09/2009. The weakness was shared 06/09/2009 by Bing Liu with Fortinet (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2009-0557 since 02/12/2009. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/22/2026). The MITRE ATT&CK project declares the attack technique as T1059.

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 50062 (MS09-017 / MS09-021 / MS09-027: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (967340 / 969462 / 969514) (Mac OS X)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 110100 (Microsoft Excel Remote Code Execution Vulnerability (MS09-021)). This issue was added on 06/08/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/22/2022:

Apply updates per vendor instructions.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8212.

The vulnerability is also documented in the databases at X-Force (50785), Tenable (50062), SecurityFocus (BID 35241†), OSVDB (54953†) and SecurityTracker (ID 1022351†). The entries VDB-37163, VDB-48554, VDB-48553 and VDB-48552 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

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Nessus ID: 50062
Nessus Name: MS09-017 / MS09-021 / MS09-027: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (967340 / 969462 / 969514) (Mac OS X)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900670
OpenVAS Name: Microsoft Office Excel Remote Code Execution Vulnerabilities (969462)
OpenVAS File: 🔍
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Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
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Timelineinfo

02/12/2009 🔍
06/04/2009 +112 days 🔍
06/09/2009 +5 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/09/2009 +0 days 🔍
06/10/2009 +0 days 🔍
06/10/2009 +0 days 🔍
10/20/2010 +497 days 🔍
03/17/2015 +1609 days 🔍
04/22/2026 +4054 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: Bing Liu
Organization: Fortinet
Status: Confirmed

CVE: CVE-2009-0557 (🔍)
GCVE (CVE): GCVE-0-2009-0557
GCVE (VulDB): GCVE-100-48544

OVAL: 🔍

X-Force: 50785
SecurityFocus: 35241 - Microsoft Excel Record Object Remote Code Execution Vulnerability
OSVDB: 54953 - Microsoft Office Excel Malformed Record Object Pointer Handling Remote Code Execution (2009-0557)
SecurityTracker: 1022351
Vulnerability Center: 22486 - [MS09-021] Microsoft Excel Record Object Remote Arbitrary Code Execution Vulnerability, Medium
Vupen: ADV-2009-1540

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/22/2026 04:09
Changes: 03/17/2015 23:38 (83), 09/05/2019 20:32 (8), 04/26/2024 19:02 (30), 06/28/2024 21:08 (12), 09/09/2024 22:30 (2), 04/22/2026 04:09 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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